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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "pegasus/neighborhood/mars/constants.h"
#include "pegasus/neighborhood/mars/robotship.h"
#include "pegasus/neighborhood/mars/shuttleweapon.h"
#include "pegasus/neighborhood/mars/spacejunk.h"
namespace Pegasus {
ShuttleWeapon::ShuttleWeapon() : IdlerAnimation(kNoDisplayElement) {
setScale(kShuttleWeaponScale);
_weaponDuration = kShuttleWeaponScale * 2;
setSegment(0, _weaponDuration);
setBounds(kShuttleWindowLeft, kShuttleWindowTop, kShuttleWindowLeft + kShuttleWindowWidth,
kShuttleWindowTop + kShuttleWindowHeight);
setDisplayOrder(kShuttleWeaponFrontOrder);
}
void ShuttleWeapon::initShuttleWeapon() {
startDisplaying();
}
void ShuttleWeapon::cleanUpShuttleWeapon() {
stop();
hide();
stopDisplaying();
}
bool ShuttleWeapon::canFireWeapon() {
return !isRunning();
}
void ShuttleWeapon::fireWeapon(const CoordType hStop, const CoordType vStop) {
if (!isRunning()) {
stop();
setTime(0);
show();
Common::Point pt2D(hStop, vStop);
project2DTo3D(pt2D, kShuttleDistance, _weaponTarget);
_weaponTime = 0;
setDisplayOrder(kShuttleWeaponFrontOrder);
start();
}
}
void ShuttleWeapon::updateWeaponPosition() {
_weaponTime = (float)_lastTime / _weaponDuration;
linearInterp(_weaponOrigin, _weaponTarget, _weaponTime, _weaponLocation);
if (_weaponTime == 1.0) {
stop();
hide();
} else {
triggerRedraw();
}
}
void ShuttleWeapon::timeChanged(const TimeValue) {
updateWeaponPosition();
bool hit = false;
Common::Point impactPoint;
if (g_spaceJunk->isJunkFlying()) {
hit = collisionWithJunk(impactPoint);
if (hit) {
stop();
hide();
hitJunk(impactPoint);
}
}
if (!hit && _weaponTime == 1.0 && collisionWithShuttle(impactPoint))
hitShuttle(impactPoint);
}
bool ShuttleWeapon::collisionWithJunk(Common::Point &impactPoint) {
if (getDisplayOrder() == kShuttleWeaponFrontOrder) {
Point3D junkPosition;
g_spaceJunk->getJunkPosition(junkPosition);
if (junkPosition.z < _weaponLocation.z) {
setDisplayOrder(kShuttleWeaponBackOrder);
project3DTo2D(_weaponLocation, impactPoint);
return g_spaceJunk->pointInJunk(impactPoint);
}
}
return false;
}
bool ShuttleWeapon::collisionWithShuttle(Common::Point &impactPoint) {
project3DTo2D(_weaponLocation, impactPoint);
return g_robotShip->pointInShuttle(impactPoint);
}
void ShuttleWeapon::hitJunk(Common::Point impactPoint) {
g_spaceJunk->hitByEnergyBeam(impactPoint);
}
void ShuttleWeapon::hitShuttle(Common::Point impactPoint) {
g_robotShip->hitByEnergyBeam(impactPoint);
}
} // End of namespace Pegasus
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